EP1414596B1 - Installation de laminage a chaud - Google Patents

Installation de laminage a chaud Download PDF

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Publication number
EP1414596B1
EP1414596B1 EP02794551A EP02794551A EP1414596B1 EP 1414596 B1 EP1414596 B1 EP 1414596B1 EP 02794551 A EP02794551 A EP 02794551A EP 02794551 A EP02794551 A EP 02794551A EP 1414596 B1 EP1414596 B1 EP 1414596B1
Authority
EP
European Patent Office
Prior art keywords
rolling
stand
strip
rolled
roll
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP02794551A
Other languages
German (de)
English (en)
Other versions
EP1414596A2 (fr
Inventor
Dieter Rosenthal
Peter Sudau
Joachim Hafer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMS Siemag AG
Original Assignee
SMS Demag AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SMS Demag AG filed Critical SMS Demag AG
Publication of EP1414596A2 publication Critical patent/EP1414596A2/fr
Application granted granted Critical
Publication of EP1414596B1 publication Critical patent/EP1414596B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
    • B21B1/466—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a non-continuous process, i.e. the cast being cut before rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
    • B21B1/26—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B2013/003—Inactive rolling stands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2201/00—Special rolling modes
    • B21B2201/02—Austenitic rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
    • B21B45/08—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing hydraulically
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material
    • Y10T29/49988—Metal casting
    • Y10T29/49991—Combined with rolling

Definitions

  • the invention relates to a hot rolling mill according to the preamble of claim (see for example DE-A-44 02 402) for rolling thin hot strip for a wide range of different difficult to form Material and method for operating such a hot rolling mill.
  • Hot rolling mills which follow Continuous casting and equalizing ovens are arranged.
  • Hot rolling mills allow hot strips to be formed with varying degrees of difficulty
  • Roll materials with thicknesses of 1.5 to 1.2 mm, with the tape at the exit the last rolling stand still austenitic structure has.
  • the belt speed at the exit of the last rolling mill is also easy constructed, the hot rolling following units such.
  • Watzbanddicke is at least with these roads not possible for easily formed materials.
  • the average temperature of the band at the output of the last framework the hot strip mill the temperature required for austenitic rolling (about 860 ° C) do not fall below
  • the speed at the exit of the last stand of the hot strip mill approx. 12.5 m / sec. do not exceed, because the hot strip otherwise with simple means on the Outlet roller table no longer run properly and then reeled can be.
  • reels that wrap around at rotational speeds of over 15 m / sec. have to be accelerated very expensive, expensive and difficult to control.
  • Hot strip mills When rolling difficult to form material can be with the seven-stand Hot strip mills can reach even smaller thicknesses than 1.2 mm, since Due to the large rolling work austenitic structure behind the last mill stand even at lower speeds is still encountered.
  • the hot rolling plant is for easily deformable material with small final thicknesses, however not suitable.
  • the drive elements of the hot rolling mill become more stressed at higher speeds and wear out faster, so that elaborate drive components, reel and scissors and much more precise and dynamic control mechanisms are provided need to ensure the desired band qualities.
  • the invention is based on the object, a hot rolling mill and a Method for operating the hot rolling mill so to design. that after the rolling process at initial thicknesses below 1.2 mm, in particular less than 1 mm even when rolling easily deformable materials still strip temperatures which ensure austenitic rolling and yet the exit velocity of the rolling stock a speed of 15 m / sec. Not exceeds, so that there are easier manageable workflows, the Wear and tear of the system is reduced and the costs are also simple Aggregates can be kept low.
  • the invention will be explained in more detail with reference to a drawing.
  • the drawing shows a hot rolling mill for material that is difficult to form can be operated in each case so that regardless of the material used and despite the different conditions for everyone Materials final rolling temperatures occur at the last stand, which is an austenitic Rolls guaranteed and speeds less than about 15m / sec. be achieved.
  • the hot rolling plant consists of a Dünnbrammeng discernstrom 1 whose Strand guide is so adjustable that thin slab thicknesses of about 45 to 70 mm be achieved at the output of Dünnbrammeng discernstrom 1.
  • the endless cast Thin slabs are divisible by a pair of scissors 2. You can do that Set slab lengths equal to the length of a finished rolled coil or a correspond to multiple of them.
  • the sliced slabs are in a roller hearth furnace 3, which serves the temperature compensation at a temperature e.g. 1150 ° C held.
  • the roller hearth furnace 3 is followed by a pair of scissors. 4 which is only used in the event of an accident.
  • the one seven-stand rolling mill 7 with the rolling sizes F1 to F7 follows.
  • a cooling section 8 is provided, which is in the strip running direction a flying shears 9 connects, which in the case of semi-endless or Continuous rolling is used.
  • the hot rolling mill ends with two reels 10, which may also be designed as a Rotorhaspler altematively.
  • an intermediate scaffolding device 6 arranged between the rolling stand F1 and the rolling stand F2 .
  • the thin slab caster will be used 1 adjusted so that depending on the desired final thickness and Casters production slabs with thicknesses between 45 and 70 mm preferably 55 mm application. All seven scaffolds will be F1 to F7 hired.
  • the scaffolding descaling device 6 is inactive. At this Driving style can be controlled by the high rolling forces and in the to be rolled, hard-to-formate material to be introduced large work rolled strip thicknesses at Exit of the rolling stand F7 can reach below 1 mm whereby the speed of about 15 m / sec. is not exceeded and yet rolled strip with Austenitic structure is present.
  • the thin slab caster 1 When rolling easily deformable material with a final thickness of less than 1 mm the thin slab caster 1 on thin slab thicknesses between 45 and 50 mm.
  • the mill stand F1 is either inactive or is one Smoothing made with a small decrease.
  • the smoothing effect causes the Slab surface is smoother, so that behind the tinder scrubber 5 a can build a more uniform scale layer.
  • the active scaffolding descaling device 6 makes it easier to remove the newly formed scale. That less descaling agent is applied to the slabs, as if the scaffold F1 were not set for smoothing.
  • the scaffolds F2 to F7 are usually made slightly stronger than in the driving style, in which all seven scaffolding are employed. By operating only the stands F2 to F7 become lower end roll speeds reached. Due to the lower inlet slab thickness and the stronger Setting up the scaffolds F2 to F7 will nevertheless be finish rolling thicknesses below 1 mm achieved, wherein the rolling temperature in the austenitic microstructure having.

Claims (5)

  1. Installation de laminage à chaud de bande laminée à chaud mince pour un assortiment large de produits laminés en des différents matériaux difficilement transformables, comprenant une installation de coulée (1) de brames minces pour la coulée continue de brames, une cisaille (2) consécutive à l'installation (1) de coulée de brames minces pour la séparation des brames coulées en continu en longueurs souhaitées, qui correspondent à chaque fois à la longueur d'une bobine laminée finie ou un multiple de celle-ci, un four (3) à rouleaux pour tamponner et thermoréguler les brames séparées, un laveur de calamine (5) ainsi qu'un laminoir (7) à sept cages disposés en aval du four (3) à rouleaux avec une zone de refroidissement (8) et une cisaille (9) disposés à la fin du laminoir (7) pour diviser la bande laminée en continu ou en semi-continu et au moins une bobineuse (10) pour enrouler la bande en bobine, caractérisée en ce qu'on a prévu entre la première cage (F1) et la deuxième cage (F2) du laminoir (7) un dispositif de décalaminage (6) entre les cages et l'installation (1) de coulée de brames minces présentant un dispositif de guidage réglable pour le réglage de l'épaisseur des brames minces.
  2. Procédé pour opérer une installation de laminage à chaud selon la revendication 1, caractérisé en ce que pour le laminage de brames minces en un matériau facilement déformable, les deuxième à septième cages (F2 à F7) sont réglées pour le laminage de telle manière qu'à une température prédéfinie du four, on obtient à la sortie de la septième cage (F7) une bande laminée présentant une structure austénitique et à une vitesse contrôlable, en ce que la première cage de laminage (F1) est ouverte et en ce que le dispositif de décalaminage (6) entre les cages est sollicité de telle manière que la calamine nouvellement formée entre le laveur de calamine (5) et le dispositif de décalaminage (6) entre les cages est enlevée des brames.
  3. Procédé selon la revendication 2, caractérisé en ce que la première cage (F1) est réglée en tant que passe de lissage.
  4. Procédé pour opérer une installation de laminage à chaud selon la revendication 1, caractérisé en ce que pour le laminage de brames minces en un matériau difficilement déformable, toutes les cages de laminage F1 à F7 sont réglées pour le laminage de telle manière qu'à une température du four prédéfinie, on obtient à la sortie de la septième cage (F7) un produit laminé présentant une structure austénitique à des vitesses contrôlables et en ce que le dispositif de décalaminage (6) entre les cages est mis à l'arrêt.
  5. Procédé selon l'une quelconque des revendications 2 à 4, caractérisé en ce que la température du four est d'environ 1150°C, la température de sortie de la bande laminée après la dernière cage de laminage (F7) n'est pas inférieure à la température nécessaire pour le laminage austénitique et la vitesse contrôlable de la bande est d'environ 15 m/sec.
EP02794551A 2001-08-07 2002-08-05 Installation de laminage a chaud Expired - Lifetime EP1414596B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10137944A DE10137944A1 (de) 2001-08-07 2001-08-07 Warmwalzanlage
DE10137944 2001-08-07
PCT/EP2002/008715 WO2003013750A2 (fr) 2001-08-07 2002-08-05 Installation de laminage a chaud

Publications (2)

Publication Number Publication Date
EP1414596A2 EP1414596A2 (fr) 2004-05-06
EP1414596B1 true EP1414596B1 (fr) 2005-01-26

Family

ID=7694158

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02794551A Expired - Lifetime EP1414596B1 (fr) 2001-08-07 2002-08-05 Installation de laminage a chaud

Country Status (18)

Country Link
US (1) US7213432B2 (fr)
EP (1) EP1414596B1 (fr)
JP (1) JP4455878B2 (fr)
KR (1) KR100853666B1 (fr)
CN (1) CN1250350C (fr)
AT (1) ATE287769T1 (fr)
AU (1) AU2002355347B2 (fr)
BR (1) BR0211496A (fr)
CA (1) CA2456933C (fr)
DE (2) DE10137944A1 (fr)
ES (1) ES2232785T3 (fr)
HU (1) HU224681B1 (fr)
MX (1) MXPA04001161A (fr)
PL (1) PL201660B1 (fr)
RU (1) RU2297889C2 (fr)
UA (1) UA77964C2 (fr)
WO (1) WO2003013750A2 (fr)
ZA (1) ZA200400396B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10325955A1 (de) * 2003-06-07 2004-12-23 Sms Demag Ag Verfahren und Anlage zum Erzeugen von Stahlprodukten mit bester Oberflächenqualität
DE102007022931A1 (de) * 2006-05-26 2007-11-29 Sms Demag Ag Verfahren und Vorrichtung zum Herstellen eines Metallbandes durch Stranggießen
CN101181718B (zh) * 2007-12-11 2010-06-02 武汉钢铁(集团)公司 薄板坯连铸连轧生产宽带钢的方法及其系统
IT1400002B1 (it) * 2010-05-10 2013-05-09 Danieli Off Mecc Procedimento ed impianto per la produzione di prodotti laminati piani
RU2466806C1 (ru) * 2011-06-24 2012-11-20 Открытое акционерное общество Акционерная холдинговая компания "Всероссийский научно-исследовательский и проектно-конструкторский институт металлургического машиностроения имени академика Целикова" (ОАО АХК "ВНИИМЕТМАШ") Способ производства листовой горячекатаной продукции из алюминия и его сплавов
DE102013220657A1 (de) 2013-07-26 2015-01-29 Sms Siemag Ag Verfahren und Vorrichtung zur Herstellung eines metallischen Bandes im kontinuierlichen Gießwalzverfahren
DE102014204073A1 (de) * 2014-03-06 2015-09-10 Robert Bosch Gmbh Endkonturnahes Warmwalzen von Führungsschienen
CN111842484B (zh) * 2020-07-23 2021-07-27 东北大学 一种基于两轧辊交替工作的连铸板坯热芯轧制方法
DE102022208498A1 (de) 2022-08-16 2024-02-22 Sms Group Gmbh Verfahren zum Herstellen metallischer Bänder durch Gießwalzen

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US870553A (en) * 1907-04-01 1907-11-12 Eduard Eulenstein Copying-press.
US885974A (en) * 1907-06-19 1908-04-28 Pietro Boggio Swinging-window catch.
US4402402A (en) * 1981-10-14 1983-09-06 Pike Brian R Barrier seal multiple-compartment package
JPH0763751B2 (ja) * 1987-01-24 1995-07-12 株式会社日立製作所 熱間圧延ライン
DE4402402B4 (de) * 1994-01-27 2004-05-13 Sms Demag Ag Verfahren zur Herstellung von warmgewalztem Stahlband aus stranggegossenem Vormaterial und Anlage zur Durchführung des Verfahrens
DE19529049C1 (de) * 1995-07-31 1997-03-20 Mannesmann Ag Hochgeschwindigkeits-Dünnbrammenanlage
EP0761326B1 (fr) * 1995-09-06 2000-02-09 Sms Schloemann-Siemag Aktiengesellschaft Installation pour la production d'une bande mince laminée à chaud
DE19540978A1 (de) * 1995-11-03 1997-05-07 Schloemann Siemag Ag Produktionsanlage zum kontinuierlichen- oder diskontinuierlichen Auswalzen von Warmband
DE19649295A1 (de) * 1996-11-28 1998-06-04 Schloemann Siemag Ag Warmwalzanlage
IT1290743B1 (it) * 1997-04-10 1998-12-10 Danieli Off Mecc Procedimento di laminazione per prodotti piani con spessori sottili e relativa linea di laminazione
DE19725434C2 (de) 1997-06-16 1999-08-19 Schloemann Siemag Ag Verfahren zum Walzen von Warmbreitband in einer CSP-Anlage
DE19750817C2 (de) * 1997-11-17 2003-03-20 Sms Demag Ag Verfahren zur Verbesserung der Oberflächenqualität einer stranggegossenen Bramme
DE19817034A1 (de) * 1998-04-17 1999-10-21 Schloemann Siemag Ag Verfahren und Vorrichtung zum Stranggießen von dünnen Metallbändern
DE10062868A1 (de) * 2000-12-16 2002-06-20 Sms Demag Ag Verfahren zum Giessen und unmittelbar anschliessendem Walzen und eine Vorrichtung zur Stützung, Führung und Verformung eines Metall-, insbesondere eines Stahlstranges

Also Published As

Publication number Publication date
UA77964C2 (en) 2007-02-15
HUP0401143A2 (en) 2004-09-28
MXPA04001161A (es) 2004-07-08
PL365390A1 (en) 2005-01-10
DE50202130D1 (de) 2005-03-03
RU2297889C2 (ru) 2007-04-27
CN1538884A (zh) 2004-10-20
ZA200400396B (en) 2004-08-23
BR0211496A (pt) 2004-08-17
JP2004537418A (ja) 2004-12-16
EP1414596A2 (fr) 2004-05-06
WO2003013750A3 (fr) 2003-09-25
RU2004106612A (ru) 2005-03-27
CA2456933C (fr) 2009-11-10
JP4455878B2 (ja) 2010-04-21
DE10137944A1 (de) 2003-02-20
KR100853666B1 (ko) 2008-08-25
PL201660B1 (pl) 2009-04-30
US20040232605A1 (en) 2004-11-25
US7213432B2 (en) 2007-05-08
ATE287769T1 (de) 2005-02-15
CA2456933A1 (fr) 2003-02-20
AU2002355347B2 (en) 2007-06-21
ES2232785T3 (es) 2005-06-01
WO2003013750A2 (fr) 2003-02-20
CN1250350C (zh) 2006-04-12
KR20040015384A (ko) 2004-02-18
HU224681B1 (hu) 2005-12-28

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